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Diamond coating (1)

Diamond coating (1). Y .K. Chou, J . Liu , CVD diamond tool performance in metal matrix composite machining , Surface & Coatings Technology 200 (2005) 1872 - 1878. Edge of the diamond coated silicon nitride tool seen under SEM at 45° tilt (a) after MPCVD growth and (b) after sharpening.

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Diamond coating (1)

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  1. Diamond coating (1) Y.K. Chou, J.Liu,CVD diamond tool performance in metal matrix composite machining, Surface & Coatings Technology 200 (2005) 1872-1878. Edge of the diamond coated silicon nitride tool seen under SEM at 45° tilt (a) after MPCVD growth and (b) after sharpening SEM photographs of a CVD diamond insert after the first cutting pass (3m/s, 0.1mm/rev, 2mm, 50s) showing work material deposition. F.A. Almeida, A.J.S. Fernandes, R.F. Silva, F.J. Oliveira, Re-sharpenable thick CVD diamond-coated Si3N4 tools for hardmetal turning, Surface & Coatings Technology 201 (2006) 1776-1782.

  2. Diamond coating (2) Microstructures around the cutting edge of diamond-coated tools: (a) nano-diamond and (b) MCD F. Qin, J. Hu, Y.K. Choua, R.G. Thompson, Delamination wear of nano-diamond coated cutting tools incomposite machining, Wear 267 (2009) 991-995. Cutting edge of a CVD diamond insert Y.K. Chou, J.Liu,CVD diamond tool performance in metal matrix composite machining, Surface & Coatings Technology 200 (2005) 1872-1878.

  3. Diamond coating (3) DLC and CrC/Cr coating over cemented carbide substrate G.R. dos Santos, D.D. da Costa, F.L. Amorim, R.D. Torres, Characterization of DLC thin film and evaluation of machining forces using coated inserts in turning of Al–Si alloys, Surface & Coatings Technology 202 (2007) 1029-1033. R.P. Martinho, F.J.G. Silva, A.P.M. Baptista, Cutting forces and wear analysis of Si3N4 diamond coated tools in high speedmachining, Vacuum 82 (2008) 1415-1420. SEM view of the HFCVD diamond film morphology Cross-sectional SEM view of the HFCVD diamond film on Si3N4 tool substrate

  4. Diamond coating (4) SEM micrographs (a) and (c) of the cutting edge of the MCD and NCD diamond coated tools, respectively; (b) and (d) respective microstructure of the diamond film at the rake face F.A. Almeida, J. Sacramento, F.J. Oliveira, R.F. Silva, Micro- and nano-crystalline CVD diamond coated tools in the turning of EDM graphite, Surface & Coatings Technology 203 (2008) 271-276.

  5. Diamond coating (5) H. Sein, W. Ahmed, I.U. Hassan, N. Ali, J.J. Gracio, M.J. Jackson, Chemical vapour deposition of microdrill cuttingedges for micro- and nanotechnology applications, Journal of Materials Science 37 (2002) 5057-5063.

  6. Diamond coating (6) P.J. Heaney, A.V. Sumant, C.D. Torres, R.W. Carpick, F.E. Pfefferkorn, Diamond coatings for micro end mills: Enabling the dry machining of aluminum at the micro-scale, Diamond & Related Materials 17 (2008) 223-233. P.W. May, CVD Diamond - a New Technology for the Future?, Endeavour Magazine 19(3) (1995) 101-106. (a) MCD with average grain size of 1-3μm and (b) fine-grained diamond coatings with average grain size of 30-300nm

  7. Diamond coating (7) a SEM micrograph of cutting edge after diamond deposition Cross-section of Sandvik Coromant’s GC4225 insert grade with CVD layer of Al2O3 Cross-section of a nanocrystalline diamond coating Surface of the uncoated (a) and DLC coated on microdrill (b) b F.J. Teeter , Thin wins, Cutting Tool Engineering 58(10) (2006). B. Sahoo, A.K. Chattopadhyay, A.B. Chattopadhyay, Development of diamond coated tool and its performance in machining Al–11%Si alloy,Bulletin of Materials Science. 25/6, (2002) 487- 491. H.Y. Ueng, C.T. Guo, K.-H. Dittrich, Development of a hybrid coating process for deposition of diamond-like carbon films on microdrills, Surface & Coatings Technology 200 (2006) 2900-2908.

  8. Diamond coating (8) A. Flöter, P. Gluche, K. Bruehne, H.J. Fecht, Diamond coat hones the cutting edge, Metal Powder Report 62(2) (2007) 16-20. Droplets found on the coating’s surface removed during a postfinishing proces F.J. Teeter , Thin wins, Cutting Tool Engineering 58(10) (2006). SEM pictures of (a) a carbide blade with a cutting angle of 35° coated with diamond and (b) a sharpened, diamond coated, blade. The radius of curvature decreased from approximately 15μm to less than 0,5μm.

  9. Powłoki na narzędziach do obróbki drewna P. Gogolewski, J. Klimke, A. Krell, P. Beerc, Al2O3 tools towards effective machiningof wood-based materials, Journal of Materials Processing Technology 209 ( 2009 ) 2231-2236. J.Y. Sheikh-Ahmad, J.S. Stewart, H. Feld, Failure characteristics of diamond-coated carbides in machiningwood-based composites, Wear 255 (2003) 1433-1437. F. Eblagon, B. Ehrle, T. Graule, J. Kuebler, Development of silicon nitride/silicon carbide composites for wood-cutting tools, Journal of the European Ceramic Society 27 (2007) 419-428. Low magnification SEM micrographs showing the clearance face for diamond-coated inserts D1 (a) and D2 (b) after a linear cutting distance of 1525m, and microstructural details of the diamond film near the cutting edge for the same inserts (c, d)

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